Base | Representation |
---|---|
bin | 10101011011000111… |
… | …100000110010001111 |
3 | 2012101011012112011122 |
4 | 111123013200302033 |
5 | 334102401014211 |
6 | 14322341311155 |
7 | 1443022541135 |
oct | 253307406217 |
9 | 65334175148 |
10 | 23003532431 |
11 | 9834992430 |
12 | 455ba054bb |
13 | 2227a27c69 |
14 | 118316b755 |
15 | 8e97ab6db |
hex | 55b1e0c8f |
23003532431 has 8 divisors (see below), whose sum is σ = 25202468304. Its totient is φ = 20822547520.
The previous prime is 23003532397. The next prime is 23003532493. The reversal of 23003532431 is 13423530032.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23003532431 - 222 = 22999338127 is a prime.
It is a super-2 number, since 2×230035324312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23003532431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23003732431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4485056 + ... + 4490181.
It is an arithmetic number, because the mean of its divisors is an integer number (3150308538).
Almost surely, 223003532431 is an apocalyptic number.
23003532431 is a deficient number, since it is larger than the sum of its proper divisors (2198935873).
23003532431 is a wasteful number, since it uses less digits than its factorization.
23003532431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8975481.
The product of its (nonzero) digits is 6480, while the sum is 26.
The spelling of 23003532431 in words is "twenty-three billion, three million, five hundred thirty-two thousand, four hundred thirty-one".
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